/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.sdk.nexmark.model;



import com.fasterxml.jackson.annotation.JsonProperty;

import com.fasterxml.jackson.core.JsonProcessingException;

import com.bff.gaia.unified.sdk.coders.*;

import com.bff.gaia.unified.sdk.nexmark.NexmarkUtils;

import com.bff.gaia.unified.sdk.schemas.JavaFieldSchema;

import com.bff.gaia.unified.sdk.schemas.annotations.DefaultSchema;

import com.bff.gaia.unified.vendor.guava.com.google.common.base.Objects;

import com.bff.gaia.unified.sdk.coders.Coder;

import com.bff.gaia.unified.sdk.coders.CoderException;

import com.bff.gaia.unified.sdk.coders.CustomCoder;

import com.bff.gaia.unified.sdk.coders.InstantCoder;

import com.bff.gaia.unified.sdk.coders.StringUtf8Coder;

import com.bff.gaia.unified.sdk.coders.VarLongCoder;

import org.joda.time.Instant;



import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.io.Serializable;



/** An auction submitted by a person. */

@DefaultSchema(JavaFieldSchema.class)

public class Auction implements KnownSize, Serializable {

  private static final Coder<Instant> INSTANT_CODER = InstantCoder.of();

  private static final Coder<Long> LONG_CODER = VarLongCoder.of();

  private static final Coder<String> STRING_CODER = StringUtf8Coder.of();



  public static final Coder<Auction> CODER =

      new CustomCoder<Auction>() {

        @Override

        public void encode(Auction value, OutputStream outStream)

            throws CoderException, IOException {

          LONG_CODER.encode(value.id, outStream);

          STRING_CODER.encode(value.itemName, outStream);

          STRING_CODER.encode(value.description, outStream);

          LONG_CODER.encode(value.initialBid, outStream);

          LONG_CODER.encode(value.reserve, outStream);

          INSTANT_CODER.encode(value.dateTime, outStream);

          INSTANT_CODER.encode(value.expires, outStream);

          LONG_CODER.encode(value.seller, outStream);

          LONG_CODER.encode(value.category, outStream);

          STRING_CODER.encode(value.extra, outStream);

        }



        @Override

        public Auction decode(InputStream inStream) throws CoderException, IOException {

          long id = LONG_CODER.decode(inStream);

          String itemName = STRING_CODER.decode(inStream);

          String description = STRING_CODER.decode(inStream);

          long initialBid = LONG_CODER.decode(inStream);

          long reserve = LONG_CODER.decode(inStream);

          Instant dateTime = INSTANT_CODER.decode(inStream);

          Instant expires = INSTANT_CODER.decode(inStream);

          long seller = LONG_CODER.decode(inStream);

          long category = LONG_CODER.decode(inStream);

          String extra = STRING_CODER.decode(inStream);

          return new Auction(

              id,

              itemName,

              description,

              initialBid,

              reserve,

              dateTime,

              expires,

              seller,

              category,

              extra);

        }



        @Override

        public Object structuralValue(Auction v) {

          return v;

        }

      };



  /** Id of auction. */

  @JsonProperty

  public long id; // primary key



  /** Extra auction properties. */

  @JsonProperty

  public String itemName;



  @JsonProperty

  public String description;



  /** Initial bid price, in cents. */

  @JsonProperty

  public long initialBid;



  /** Reserve price, in cents. */

  @JsonProperty

  public long reserve;



  @JsonProperty

  public Instant dateTime;



  /** When does auction expire? (ms since epoch). Bids at or after this time are ignored. */

  @JsonProperty

  public Instant expires;



  /** Id of person who instigated auction. */

  @JsonProperty

  public long seller; // foreign key: Person.id



  /** Id of category auction is listed under. */

  @JsonProperty

  public long category; // foreign key: Category.id



  /** Additional arbitrary payload for performance testing. */

  @JsonProperty

  public String extra;



  // For Avro only.

  @SuppressWarnings("unused")

  public Auction() {

    id = 0;

    itemName = null;

    description = null;

    initialBid = 0;

    reserve = 0;

    dateTime = null;

    expires = null;

    seller = 0;

    category = 0;

    extra = null;

  }



  public Auction(

      long id,

      String itemName,

      String description,

      long initialBid,

      long reserve,

      Instant dateTime,

      Instant expires,

      long seller,

      long category,

      String extra) {

    this.id = id;

    this.itemName = itemName;

    this.description = description;

    this.initialBid = initialBid;

    this.reserve = reserve;

    this.dateTime = dateTime;

    this.expires = expires;

    this.seller = seller;

    this.category = category;

    this.extra = extra;

  }



  /** Return a copy of auction which capture the given annotation. (Used for debugging). */

  public Auction withAnnotation(String annotation) {

    return new Auction(

        id,

        itemName,

        description,

        initialBid,

        reserve,

        dateTime,

        expires,

        seller,

        category,

        annotation + ": " + extra);

  }



  /** Does auction have {@code annotation}? (Used for debugging.) */

  public boolean hasAnnotation(String annotation) {

    return extra.startsWith(annotation + ": ");

  }



  /** Remove {@code annotation} from auction. (Used for debugging.) */

  public Auction withoutAnnotation(String annotation) {

    if (hasAnnotation(annotation)) {

      return new Auction(

          id,

          itemName,

          description,

          initialBid,

          reserve,

          dateTime,

          expires,

          seller,

          category,

          extra.substring(annotation.length() + 2));

    } else {

      return this;

    }

  }



  @Override

  public long sizeInBytes() {

    return 8L

        + itemName.length()

        + 1L

        + description.length()

        + 1L

        + 8L

        + 8L

        + 8L

        + 8L

        + 8L

        + 8L

        + extra.length()

        + 1L;

  }



  @Override

  public String toString() {

    try {

      return NexmarkUtils.MAPPER.writeValueAsString(this);

    } catch (JsonProcessingException e) {

      throw new RuntimeException(e);

    }

  }



  @Override

  public boolean equals(Object o) {

    if (this == o) {

      return true;

    }

    if (o == null || getClass() != o.getClass()) {

      return false;

    }

    Auction auction = (Auction) o;

    return id == auction.id

        && initialBid == auction.initialBid

        && reserve == auction.reserve

        && Objects.equal(dateTime, auction.dateTime)

        && Objects.equal(expires, auction.expires)

        && seller == auction.seller

        && category == auction.category

        && Objects.equal(itemName, auction.itemName)

        && Objects.equal(description, auction.description)

        && Objects.equal(extra, auction.extra);

  }



  @Override

  public int hashCode() {

    return Objects.hashCode(

        id, itemName, description, initialBid, reserve, dateTime, expires, seller, category, extra);

  }

}